WO2006053737A1 - Structure en couches - Google Patents

Structure en couches Download PDF

Info

Publication number
WO2006053737A1
WO2006053737A1 PCT/EP2005/012296 EP2005012296W WO2006053737A1 WO 2006053737 A1 WO2006053737 A1 WO 2006053737A1 EP 2005012296 W EP2005012296 W EP 2005012296W WO 2006053737 A1 WO2006053737 A1 WO 2006053737A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
sealing film
sealing
concrete
substrate
Prior art date
Application number
PCT/EP2005/012296
Other languages
German (de)
English (en)
Inventor
Albrecht Enzenberg
Michael Müller
Original Assignee
Porr Technobau Und Umwelt Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Porr Technobau Und Umwelt Gmbh filed Critical Porr Technobau Und Umwelt Gmbh
Priority to EP05819190A priority Critical patent/EP1812652A1/fr
Publication of WO2006053737A1 publication Critical patent/WO2006053737A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
    • E02B3/126—Flexible prefabricated covering elements, e.g. mats, strips mainly consisting of bituminous material or synthetic resins
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E02B5/02—Making or lining canals

Definitions

  • the invention relates to a layer structure for sealing a substrate against a water column in hydraulic engineering, comprising at least one concrete layer and a sealing film between the concrete layer and the substrate.
  • the invention further relates to a method for sealing a substrate ge compared to a water column in hydraulic engineering, by means of a sealing film and a concrete layer and, moreover, the use of a protective blanket for the same purpose.
  • a seal When using the waterproof concretes customary in hydraulic engineering, a seal must be installed only in the areas in which predetermined breaking points, construction joints or similar joints are arranged, whereby the problem also exists of ensuring a reliable connection between the seal and the concrete layer.
  • sealing elements in the form of labyrinth seals, which are cast with the concrete are used. Due to the very complex shapes, however, this incorporation requires an increased degree of care and time and, moreover, is very error-prone.
  • the present invention is therefore based on the object of demonstrating a layer structure and a method for sealing a substrate in relation to a water column in hydraulic engineering, which ensures a reliable, inexpensive and easy to manufacture seal.
  • this object is achieved by a layer structure of the type mentioned above, wherein the sealing film used at least on its, the concrete layer zuge ⁇ facing surface with the sealing film firmly bonded adhesive layer, consisting of a porous material having substantially fixed with the concrete layer is bound.
  • the above object is also achieved by a sealing method, using at least one concrete layer and at least one sealing film having a substantially firmly bonded adhesive layer made from a porous material, with the following steps: applying the sealing film to the substrate and detecting that the adhesion promoter layer Facing away from the background; Apply the concrete layer on the substrate and on the adhesion-promoting layer; and compacting and / or shaking the concrete layer in the Haft ⁇ mediator layer.
  • the above object is achieved by performing the above-mentioned steps also by the use of a protective blanket comprising a sealing film and a bonding layer of a porous material, which is substantially firmly connected to the sealing film.
  • a sealing sheet which has a sealing film which has on its, the concrete layer facing surface an adhesive layer, due to their porosity, at least in the Oberflä ⁇ near areas, a non-positive connection between the sealing web and hardened concrete layer allowed.
  • the incorporation of the liquid concrete into the open pores of the adhesion promoter layer leads to a full-surface connection of the sealing membrane and the concrete layer overlying it, without the need for additional separate adhesive sealant elements. This leads to the fact that even with damaged areas in concrete and with the very high stresses in the crack area associated with these
  • the sealing membrane remains firmly attached to the concrete layer. A possible infiltration of the concrete layer by penetrating water is prevented. Both in horizontal and vertical movements of the possibly cracked concrete layer, the substantially dense connection between the sealing film and concrete layer is maintained.
  • predetermined breaking points are introduced into the concrete layers in order to reduce thermal stresses and settling differences and to control the formation of cracks in working-stroke joints.
  • the sealing strip according to the invention is arranged over its entire surface in such a way that it engages sealingly in the concrete layer.
  • the sealing strip according to the invention is also conceivable to construct the sealing strip according to the invention as a multi-layer system, that is to say to provide an adhesive layer of porous material on both sides of the sealing film so that the frictional and sealing connection of two concrete layers is possible.
  • a sealing strip designed in this way ensures the firm connection between the seal and the concrete layer, on the other hand it guarantees a very resistant surface structure due to the coating on the second side against injuries due to a sharp-edged substrate or the like. Influences.
  • the second coating increases the position fixation of the sealing strip according to the invention on the substrate. Especially with inclined surfaces, this is a decisive advantage over Dicht ⁇ films from the prior art.
  • the adhesion promoter layer is designed for incorporation of suspended matter which is contained in the water column to be sealed against the substrate.
  • the water present on the concrete layer briefly enters the concrete layer through the damaged area and migrates between the concrete layer and sealing film through the bonding agent layer.
  • the suspended matter present in the incoming water first deposits in the adhesion promoter and later in the damaged area itself, whereby the tightness of the layer structure is ensured again after a very short time.
  • This self-sealing process is of course dependent on the Schwebstoffkonsistenz in the upcoming water. In order to accelerate the self-sealing of possibly existing leaks in the channel, it is possible to introduce additional suspended particles into the channel and thus to artificially increase the suspended matter concentration.
  • the porous material of the adhesion promoter layer consists of a material consisting of fibers, in particular of a nonwoven or felt.
  • the safe and effective incorporation of woven fabrics is advantageous, inter alia, due to the irregular arrangement of the fibers.
  • the high elasticity of the material further improves the absorption and removal of tensile and shear forces occurring in relation to the sealing film.
  • all other open porous and porous materials Gewitke or tissue with similar mate ⁇ rialigenschaften conceivable.
  • the sealing film and / or the adhesion promoter layer are preferably a flexible plastic layer. This ensures not only an inexpensive producibility but also the resistance to moisture, cold and other environmental influences.
  • the advantage of a flexible layer is that the sealing sheet according to the invention can be delivered as sheet material in rolls or bales to the installation site.
  • the sealing film is preferably a thermoplastic layer, in particular a polyethylene layer, since, in addition to the very high resistance to environmental influences, a thermal further treatment can take place here, for example a welding of a plurality of sealing foils to webs or large sealing surfaces.
  • the adhesion promoter layer is preferably also carried out as a thermoplastic layer and here in particular as a polypropylene layer.
  • this has the advantage that due to the somewhat stiffer polypropylene fibers, the Haftver ⁇ middle layer despite the very flexible design as non-woven or felt has sufficient tensile strength.
  • the corresponding design of the sealing film and the adhesive layer of a flexible plastic also ensures the elasticity of the two components in occurring Relatiwerschiebungen the dar ⁇ lying concrete slab.
  • a flexible plastic such as polyethylene or polypropylene
  • a sufficient resistance which is ensured by the execution of the two materials made of flexible plastics, so here is of crucial advantage.
  • the porous material is constructed so dense that the concrete does not completely enforce the Haftvetmittlet für when applying the concrete layer to the sealing film out.
  • a flexible intermediate layer is formed which enlarges the expansion zone of the sealing film resting on the substrate in the event of crack formation or displacement in the concrete layer and thus prevents damage to the sealing film.
  • the thickness of the adhesion promoter layer has a decisive influence on this, so that a different elongation in the region of the top side and the underside of the adhesion promoter layer is made possible.
  • the thickness of the adhesion promoter layer is chosen to be greater than the thickness of the sealing film.
  • a range between 50 to 500 microns and in particular a thickness between 50 and 100 microns has been found.
  • a grammage of 150 to 500 g / tn 2 preferably 300 g / m 2 has proven to be particularly advantageous.
  • a sealing web constructed in this way guarantees, in addition to the firm connection between the bonding agent layer and the sealing film, a sufficiently high resistance to mechanical stress as well as the necessary pressure resistance. Achieved by the above thickness and choice of material a pressure resistance of 15 bar, which corresponds to a water column of about 15 m.
  • a sealing foil which is reinforced by a fabric reinforcement or a similar insert.
  • At least one optical waveguide for leakage measurement is particularly advantageous to arrange at least one optical waveguide for leakage measurement on or in the sealing film and / or adhesion promoter layer.
  • this optical waveguide can be arranged both on the adhesion promoter layer, between the adhesion promoter layer and the sealing film, or else on the abutting edges of two adhesion promoter layer webs.
  • the sealing strip according to the invention in several layers one above the other, wherein here both a bond between the individual layers and also no composite can be produced.
  • this intermediate layer By arranging the Lichtwel ⁇ lenleiter in the intermediate layer between the stacked sealing webs, it is possible to use this intermediate layer as a drain layer, whereby a larger detection range per optical fiber is achieved because with no or with a low bond between the two sealing course water in the Between- layer migrates along.
  • the sealing of a substrate with respect to a water column in hydraulic engineering is carried out in accordance with the invention as follows by means of a concrete layer and a sealing film and with a bonding agent layer of a porous material firmly connected thereto, with the following steps:
  • the sealing sheet according to the invention consisting of the sealing film and the bonding agent layer associated therewith, is applied to the substrate in such a way that the bonding agent layer avoids the substrate and the sealing film rests on the substrate.
  • concrete is applied to the substrate and the correspondingly positioned sealing sheet or the bonding agent layer and this is shaken into the bonding agent layer.
  • This shaking or compacting of the introduced concrete layer is dependent on the consistency of the concrete and thus not required to force. However, it leads according to the experience of the prior art to an improved concrete quality.
  • the bond between Haft ⁇ mediator layer and concrete is also dependent on the material of the primer layer. Depending on the pore size, fiber length and flexibility of the adhesion promoter layer, reinforced or less strong compaction and / or shaking of the concrete is necessary here.
  • Waterproof concretes are used particularly in coarse construction, so that it is advantageous to arrange the sealing film according to the invention and the bonding agent layer connected thereto only in webs under the predetermined breaking points, working joints or similar joints for collecting thermal stresses or settling conditions or by working cycles , Due to the firm connection between hardened concrete and bonding agent layer, despite the small width of the sealing webs, a good sealing effect is achieved.
  • optical waveguide into the sealing web according to the invention, consisting of a sealing foil and a bonding agent layer.
  • This optical waveguide can subsequently be applied to the adhesion promoter layer after the application of the sealing web on the substrate or else into the factory-prepared webs in the adhesion promoter layer or sealing film.
  • the optical waveguides arranged in this way enable the leakage measurement in the layer structure according to the invention in accordance with known methods.
  • the optical waveguide is charged with light pulses and based on the phase shift of the reflection signal made a conclusion about a possible damage sites.
  • the sealing web in several layers above one another in order to increase the sealing performance and to perform a more comprehensive leakage measurement by arranging the optical waveguides in the intermediate layers between the individual sealing webs because with incoming water this intermediate layer acts as a drainage layer. In this case, it is possible to carry out the sealing paths with each other with composite and without composite.
  • a protective construction mat for sealing a subfloor against a water column in hydraulic engineering comprising a sealing film and a bonding agent layer of a porous material, which is firmly connected to the sealing film substantially, with the following steps: applying the protective blanket on the Background such that the Haftmitmittler für facing away from the ground; Applying a concrete layer on the substrate and on the adhesive layer; and compacting and / or shaking the concrete layer in the adhesion promoter layer, so far as it requires the consistency of the concrete and of the material of the adhesion promoter layer.
  • Such protective mats are known from the prior art and serve predominantly the protection of buildings or subsoil during the construction phase. For this purpose, these protective mats are used exclusively with the primer layer in the direction of the substrate to be protected.
  • the sealing foil facing away from the protective substrate then enables the problem-free storage and subsequent disposal of concretes and other waste materials during the construction process.
  • FIG. 1 shows a cross section through a first embodiment of the layer structure according to the invention
  • FIG. 2 shows a cross section through the embodiment from FIG. 1 in a torn state
  • FIG. 3 shows a cross section through the embodiment of FIG. 1 with an illustrated self-sealing effect
  • FIG 4 shows a cross section through a second embodiment of the inventive layer structure with integrated Lichtwel ⁇ lenleitern.
  • FIG. 1 shows a first embodiment of a layer structure for sealing a substrate against a water column in hydraulic engineering. Shown is a substrate 12, on which a concrete layer 2 is applied, which is acted upon by a water column 18, shown here as oppressive water.
  • the layer structure according to the invention is used only for sealing against impact water, rain or similar moisture wkd.
  • Solappeluchstelle 8 in the concrete layer 2, so that at thetmischen tensions odet settlements, the concrete layer 2 konttolliett tees this Sol philosophicaluchstelle 8 teisst.
  • this Sollbtuchstelle 8 is a etfindunoniae sealing sheet 1 consisting of istt sealing film 4 and istt with this sealing film 4 firmly vetbundenen adhesive layer 6, consisting of a porous Matetial arranged.
  • This bonding agent layer 6 is in turn firmly connected to the concrete layer 2, since liquid concrete penetrates into the pores of the bonding layer 6 during casting of the concrete layer, so that after hardening a firm bond between the two materials is ensured.
  • FIG. 2 shows the embodiment from FIG. 1 in a state after a broadening of the crack 10 and the predetermined breaking point 8 as a result of a relative shift in the concrete layer 2.
  • the sealing web 1 fixedly connected to the concrete layer 2 is formed as a result of the splitting defect representation ⁇ d of FIG Crack 10 stretched. Due to the flexible design of the bonding agent layer 6 and the sealing film 4, however, different elongations of the individual components occur in the crack region.
  • FIG. 3 shows the embodiment of FIG. 1 in connection with the self-sealing effect of the layer structure according to the invention.
  • Suspended water column 18, which is present at the upper side 9 of the concrete layer 2 usually contains suspended matter and other ultrafine particles.
  • the sealing strip 1 according to the invention is now designed so that in the event of damage, ie in the event of a leak of the concrete layer 2, the layer 6 which has been introduced into the crack 10 and the bonding agent layer 6 with incorporated suspended matter 20 first in the bonding agent layer 6 and subsequently also in the crack area 10, so that it comes successively to a self-sealing of the damaged area in the concrete layer 2.
  • the self-sealing can be adapted to the required sealing class.
  • the width b of the sealing web 1 also plays a decisive role here. bende role.
  • a sealing sheet 1 consisting of a layer of primer layer 6, having a gate weight of 300 g / m 2 , a part of 35 cm has to be sealed to seal off a 15 m water column, to be used for the production of the cake. posed.
  • FIG. 4 shows a squeeze cut in a second embodiment of the layer structure according to the invention.
  • a fiber-optic cable 14 ditect in the cracking pond 10 is set at the base cloth 8, so that the amount of the incoming water can be determined at the dutch cloth point 8.
  • an optical fiber cable 16 are used to detect points of damage in the sealing sheet 1.
  • the fact that a layer of resistance forms in the intermediate layer 22, along which embedded water flows, can be applied
  • the detection pond should have been subjected to a leakage measurement 1, 1 'with vetbund joined together and thus to form a vision-capable sealing membrane, in which the expansion of water passing through the most extensive sealing web 1 into the intermediate layer 22 is undone.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention se rapporte à une structure en couches servant à étanchéifier un sous-sol (12) par rapport à une colonne d'eau en génie hydraulique. Cette structure en couches comprend au moins une couche de béton (2), et une feuille d'étanchéité (4) qui est disposée entre la couche de béton (2) et le sous-sol (12). Selon l'invention, au moins la surface (5) de la feuille d'étanchéité (4) qui est orientée vers la couche de béton (2) comprend une couche d'agent adhésif (6) qui est fermement liée à la feuille d'étanchéité (4), qui est constituée d'un matériau poreux, et qui est solidement reliée avec la couche de béton (2). Cette invention concerne en outre un procédé pour étanchéifier un sous-sol par rapport à une colonne d'eau en génie civil, et l'utilisation d'un tapis de protection structurale à des fins d'étanchéification.
PCT/EP2005/012296 2004-11-17 2005-11-16 Structure en couches WO2006053737A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05819190A EP1812652A1 (fr) 2004-11-17 2005-11-16 Structure en couches

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004055488.9 2004-11-17
DE200410055488 DE102004055488B4 (de) 2004-11-17 2004-11-17 Schichtaufbau

Publications (1)

Publication Number Publication Date
WO2006053737A1 true WO2006053737A1 (fr) 2006-05-26

Family

ID=35929708

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/012296 WO2006053737A1 (fr) 2004-11-17 2005-11-16 Structure en couches

Country Status (3)

Country Link
EP (1) EP1812652A1 (fr)
DE (1) DE102004055488B4 (fr)
WO (1) WO2006053737A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2299005A1 (fr) * 2009-09-21 2011-03-23 Sika Technology AG Membrane étanche à l'eau

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007032351A1 (de) * 2007-07-06 2009-01-15 Sächsisches Textilforschungsinstitut e.V. Sensorfaser-integriertes Textilsystem, seine Herstellung und seine Verwendung zur Bewehrung und Zustandsüberwachung unter Anwendung der OTDR-Technik
CN102286958B (zh) * 2011-06-14 2013-03-20 中国水电顾问集团华东勘测设计研究院 施工期面板堆石坝趾板混凝土质量缺陷挖除处理方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1475682A (en) * 1974-07-19 1977-06-01 Intrusion Prepakt Ltd Construction of protective covering layers
US4065924A (en) * 1974-06-20 1978-01-03 Daniel Arthur Young Method of lining a waterway or reservoir
US5543188A (en) * 1992-08-25 1996-08-06 Te'eni; Moshe Flexible protective membrane particularly useful for waterproofing and protecting reinforced concrete bodies and metal pipes
US6053662A (en) * 1998-05-27 2000-04-25 Ppel Joint Venture Panel assembly for RCC dam and construction method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451884A (en) * 1964-08-05 1969-06-24 Mitsubishi Petrochemical Co Waterproof pile coated sheet for laminating
DD148797A1 (de) * 1980-01-15 1981-06-10 Bartschek Klaus Ulrich Oberflaechenmodifizierte kunststoffdichtungsfolie fuer druckwasserhaltende dichtungen
DE3821785A1 (de) * 1988-06-28 1990-01-11 Lentia Gmbh Selbstklebende kombinationsbahn zur vorbeugung und sanierung von rissen insbesondere in asphalt- und betonflaechen
DE4100902A1 (de) * 1990-02-26 1991-08-29 Huels Troisdorf Verfahren zum befestigen von folien oder bahnen zu abdichtungszwecken an einem untergrund
DE9419030U1 (de) * 1994-11-26 1995-02-02 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V., 07407 Rudolstadt Verbund aus Kunststoffen und textilen Vliesschichten zum Aus- und Verkleiden von Oberflächen
DE29706561U1 (de) * 1997-04-14 1997-06-19 Tricosal GmbH, 89257 Illertissen Fugenband

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065924A (en) * 1974-06-20 1978-01-03 Daniel Arthur Young Method of lining a waterway or reservoir
GB1475682A (en) * 1974-07-19 1977-06-01 Intrusion Prepakt Ltd Construction of protective covering layers
US5543188A (en) * 1992-08-25 1996-08-06 Te'eni; Moshe Flexible protective membrane particularly useful for waterproofing and protecting reinforced concrete bodies and metal pipes
US6053662A (en) * 1998-05-27 2000-04-25 Ppel Joint Venture Panel assembly for RCC dam and construction method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2299005A1 (fr) * 2009-09-21 2011-03-23 Sika Technology AG Membrane étanche à l'eau
WO2011033122A1 (fr) * 2009-09-21 2011-03-24 Sika Technology Ag Membrane étanche à l'eau
EP3309300A1 (fr) * 2009-09-21 2018-04-18 Sika Technology AG Membrane étanche à l'eau

Also Published As

Publication number Publication date
DE102004055488A1 (de) 2006-06-14
DE102004055488B4 (de) 2008-07-10
EP1812652A1 (fr) 2007-08-01

Similar Documents

Publication Publication Date Title
EP2349707B1 (fr) Membrane étanche à l'eau
DE69623414T2 (de) Wasserabdichtungssystem für Wasserbauwerke aus steifem Kunststoffflachmaterial
DE69907752T2 (de) Verfahren und vorrichtung zum abdichten von fugen oder rissen in hydraulischen werken, beton und mauerwerk
AT11192U1 (de) Verwendung eines als maschenware, insbesondere als gestricke oder gewirke, über ein einfaden- oder kettfadensystem hergestellten verbundstoffes
WO2011033122A1 (fr) Membrane étanche à l'eau
EP0262290A2 (fr) Panneau d'étanchéité flexible
EP2652207B1 (fr) Elément de coffrage
DE3243620A1 (de) Dichtungsmaterial
EP0393304B1 (fr) Procédé de revêtement d'une conduite enterrée
WO2006053737A1 (fr) Structure en couches
EP0684343B1 (fr) Procédé pour la fabrication de parois étanches
DE4428591C2 (de) Zwei- oder mehrlagige Kunststoffdichtungsbahn, Verfahren zum Abdichten von Bauten oder Bauwerksteilen mit einer Kunststoffdichtungsbahn sowie Verwendung derselben
DE102008026567A1 (de) Stationärer geschichteter Hochwasserschutz
AT396264B (de) Selbstklebende kombinationsbahn zur vorbeugung und sanierung von rissen insbesondere in asphalt- und betonflaechen
DE10127493A1 (de) Verfahren zur Sicherung von Staudämmen und Kunststoffdichtungsbahn
EP1481138B1 (fr) Utilisation d'un film pour assembler et/ou etancheifier et/ou renforcer statiquement deux surfaces fixes ou se deplacant l'une par rapport a l'autre
DE3841679A1 (de) Basisabdichtungen fuer deponien und verfahren zu ihrer herstellung
DE3536944A1 (de) Gegen wasserdruck abgedichtetes bauwerk und verfahren zu dessen herstellung
EP0235353A2 (fr) Protection de rupture pour parafouille
DE202004020399U1 (de) Schichtaufbau
DE9421920U1 (de) Zwei- oder mehrlagige Kunststoffdichtungsbahn für Bauabdichtungen oder Abdichtungen im Druckwasserbereich
EP2108739B1 (fr) Système de construction routière pour étanchéifier des joints
DE3339345C2 (fr)
EP1301672B1 (fr) Bande d'etancheite pour surfaces de toits et de batiments, en particulier pour de telles surfaces soumises a de fortes sollicitations
AT412004B (de) Isolier- und abdichtungsbahn

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KN KP KR KZ LC LK LR LS LT LU LV LY MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2005819190

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2005819190

Country of ref document: EP